UNKNOWN CONNECTOR
| Pin | Dir | Description | 
|---|---|---|
| 1 |  | Voice | 
| 2 |  | +5V=External Power, 0V=Battery | 
| 3 |  | Ext Speak control | 
| 4 | - | Analog GND | 
| 5 |  | Voice | 
| 6 |  | +5V=POWER ON, 0V=POWER OFF | 
| 7 |  | Charger control | 
| 8 | - | Digital/DC GND | 
| 9 |  | 0V=normal,+5V=test, +12V=test+flash | 
| 10 |  | Hook | 
| 11 |  | TTL serial in | 
| 12 |  | TTL serial out | 
| 13 |  | 0V for aprox 1 sec = POWER ON/OFF | 
| 14 |  | DC Power supply | 
Direction is phone relative world.
| Contributor: | Joakim Ögren | 
| Source: | Ericsson 218/318/337/388 pinout at Technick.net | 
  Copyright © The Hardware Book Team 1996-2004.
  May be copied and redistributed, partially or in whole, as appropriate.
  Document last modified: 2002-01-10